The New Lexmark X463de X464de Replacement Toner Part# ADSX463X11G/21G is a black toner cartridge designed specifically for Lexmark printers. It is compatible with models X463, X463de, and X464de, and features a laser print technology for high-quality printing results. With dimensions of 7 inches in height and 15.7 inches in width, this replacement toner is a reliable and efficient choice for maintaining the performance of your Lexmark printer.